Finding the Fourth Proportional to 98,123.25, 147,238.02 and 75,979.89

Step by Step Solution

1. Step 1: Write the proportion equation
   98,123.25 : 147,238.02 = 75,979.89 : x
2. Step 2: Convert to fraction form
   98,123.25/147,238.02 = 75,979.89/x
3. Step 3: Cross multiply
   98,123.25x = 147,238.02 × 75,979.89
4. Step 4: Simplify right side
   98,123.25x = 11,187,128,563.42
5. Step 5: Solve for x
   x = 11,187,128,563.42/98,123.25
6. Step 6: Final answer
   x = 114,010.99